Black swallowtail caterpillars love parsley and other members of the parsley family. Every time my curly parsley is looking good, they devour it before I am able to do so.

Medium Curly Parsley growing in zone 9b. June 7th, early Summer.

September, 2013--English Gardens, Dearborn Hts, MI

Banquet Curly Parsley seed stalks, second season of growth

Petroselinum crispum, Curly Parsley - Seward, Alaska - August 2002

Curly Parsley, P. crispum, clipped and ready to spread on the drying racks in September. Grown from seed started indoors in the early spring. It will not winter over in my Zone 3. Seward, Alaska - September 2002

Petroselinum crispum in swan planter. The Gardens of C. Eads - July 2002

Closeup of a black swallowtail caterpillar starting to munch on curly parsley. The plant will be eaten very quickly. This caterpillar is also called a parsley worm.

i had no idea it was a perennial.... er biennial, but it never had a chance to bloom last year before it was shredded